Carbohydrate
In lysozyme catalysis, which of the following does not contribute?

Formation of a covalent intermediate at Asp52
The strained conformation of the D sugar
Formation of a covalent intermediate at Ser195
The abnormally high pKa of Glu35

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Carbohydrate
Which of the following does not occur during gluconeogenesis?

The conversion of PEP to fructose bisphosphate
The decarboxylation of oxaloacetate to phosphoenolpyruvate
The carboxylation of pyruvate to oxaloacetate
The conversion of pyruvate to phosphoenolpyruvate (PEP)

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